/*
 * CKFinder
 * ========
 * http://ckfinder.com
 * Copyright (C) 2007-2013, CKSource - Frederico Knabben. All rights reserved.
 *
 * The software, this file and its contents are subject to the CKFinder
 * License. Please read the license.txt file before using, installing, copying,
 * modifying or distribute this file or part of its contents. The contents of
 * this file is part of the Source Code of CKFinder.
 */
package com.ckfinder.connector.data;

import com.ckfinder.connector.configuration.Constants;

/**
 * Resource type entity.
 */
public class ResourceType {

	/**
	 * bytes in KB.
	 */
	private static final int BYTES = 1024;
	/**
	 * resource name.
	 */
	private String name;
	/**
	 * resource url.
	 */
	private String url;
	/**
	 * resource directory.
	 */
	private String path;
	/**
	 * max file size in resource.
	 */
	private String maxSize;
	/**
	 * list of allowed extensions in resource (spepareted with comma).
	 */
	private String allowedExtensions;
	/**
	 * list of denied extensions in resource (spepareted with comma).
	 */
	private String deniedExtensions;

	/**
	 *
	 */
	/**
	 * Constructor.
	 *
	 * @param name resource type name.
	 * @param url resource type url.
	 * @param directory resource type directory.
	 * @param maxSize Max size of file in the resource type.
	 * @param allowedExtensions allowed extensions for resource type.
	 * @param deniedExtensions denied extensions for resource type.
	 */
	public ResourceType(final String name, final String url,
			final String directory, final String maxSize,
			final String allowedExtensions,
			final String deniedExtensions) {
		this.allowedExtensions = allowedExtensions;
		this.deniedExtensions = deniedExtensions;
		this.path = directory;
		this.maxSize = maxSize;
		this.name = name;
		this.url = url;
	}

	/**
	 * contrutor.
	 *
	 * @param name type name
	 */
	public ResourceType(final String name) {
		this.name = name;
	}

	/**
	 * @return the name
	 */
	public final String getName() {
		return name;
	}

	/**
	 * @param name the name to set
	 */
	public final void setName(final String name) {
		this.name = name;
	}

	/**
	 * @return the url
	 */
	public final String getUrl() {
		if (url == null) {
			return Constants.BASE_URL_PLACEHOLDER.concat("/").concat(this.name.toLowerCase()).concat("/");
		}
		return url;
	}

	/**
	 * @param url the url to set
	 */
	public final void setUrl(final String url) {
		this.url = url;
	}

	/**
	 * @return the directory
	 */
	public final String getPath() {
		if (path == null) {
			return Constants.BASE_DIR_PLACEHOLDER.concat(this.name.toLowerCase()).concat("/");
		}
		return path;
	}

	/**
	 * @param directory the directory to set
	 */
	public final void setPath(final String directory) {
		this.path = directory;
	}

	/**
	 * @return the maxSize
	 */
	public final Long getMaxSize() {
		try {
			//No XML node, no value, value equals 0 = no resource type maxSize
			if (maxSize == null
					|| maxSize.equals("")
					|| maxSize.equals("0")) {
				return null;
			}
			return parseMaxSize();
		} catch (NumberFormatException e) {
			return null;
		}
	}

	/**
	 * parses max size value from config (ex. 16M to number of butes).
	 *
	 * @return number of bytes in max size.
	 */
	private long parseMaxSize() {

		char lastChar = maxSize.toLowerCase().charAt(maxSize.length() - 1);
		int a = 0;
		switch (lastChar) {
			case 'k':
				a = BYTES;
				break;
			case 'm':
				a = BYTES * BYTES;
				break;
			case 'g':
				a = BYTES * BYTES * BYTES;
				break;
			default:
				return 0;
		}
		long value = Long.valueOf(maxSize.substring(0, maxSize.length() - 1));
		return value * a;

	}

	/**
	 * @param maxSize the maxSize to set
	 */
	public final void setMaxSize(final String maxSize) {
		this.maxSize = maxSize;
	}

	/**
	 * @return the allowedExtensions
	 */
	public final String getAllowedExtensions() {
		if (allowedExtensions == null) {
			return "";
		}
		return allowedExtensions;
	}

	/**
	 * @param allowedExtensions the allowedExtensions to set
	 */
	public final void setAllowedExtensions(final String allowedExtensions) {
		this.allowedExtensions = allowedExtensions;
	}

	/**
	 * @return the deniedExtensions
	 */
	public final String getDeniedExtensions() {
		if (deniedExtensions == null) {
			return "";
		}
		return deniedExtensions;
	}

	/**
	 * @param deniedExtensions the deniedExtensions to set
	 */
	public final void setDeniedExtensions(final String deniedExtensions) {
		this.deniedExtensions = deniedExtensions;
	}

	/**
	 * clone constuctor.
	 *
	 * @param type source type
	 */
	public ResourceType(final ResourceType type) {
		super();
		this.name = type.name;
		this.url = type.url;
		this.path = type.path;
		this.maxSize = type.maxSize;
		this.allowedExtensions = type.allowedExtensions;
		this.deniedExtensions = type.deniedExtensions;
	}
}
